Finding the Fourth Proportional to 1,196.37, 1,796.99 and 831.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.37 : 1,796.99 = 831.87 : x
2. Step 2: Convert to fraction form
   1,196.37/1,796.99 = 831.87/x
3. Step 3: Cross multiply
   1,196.37x = 1,796.99 × 831.87
4. Step 4: Simplify right side
   1,196.37x = 1,494,857.91
5. Step 5: Solve for x
   x = 1,494,857.91/1,196.37
6. Step 6: Final answer
   x = 1,249.49